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The number of moles of lead nitrate need...

The number of moles of lead nitrate needed to coagulate 2 mole of colloidal `[AgI]I^(-)` is :

A

2

B

1

C

`(1)/(2)`

D

`(2)/(3)`

Text Solution

Verified by Experts

`2[AgI]I^(-)+Pb^(2+) to PbI_(2)+2AgI`
Thus, one mole of `Pb(NO_(3))_(2)` is required to coagulate 2 mole of `[AgI]I^(-)`.
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